Garth is a superhero appearing in American comic books published by DC Comics, commonly associated with Aquaman and the Teen Titans. Created by writer Robert Bernstein and artist Ramona Fradon, he first appears in Adventure Comics #269 in February 1960. He was originally known as the first incarnation of Aqualad. As a young adult, the character used the alias Tempest.

Imperiex is a supervillain appearing in comic books published by DC Comics. He was initially introduced as an adversary to the superhero Superman, before becoming a main antagonist for the crossover "Our Worlds at War".